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Heater Element Amp & Ohm Readings

  

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Estimated Ohm & Amp Readings for Electric Spa Heater Elements.
Remember that voltage input changes the listed data below.
 

Watts Voltage Amps Ohms
1.5 kw 120 12.5 amps 38.4 ohms
4.0 kw 240 16.7 amps 14.4 ohms
5.5 kw 240 22.9 amps 10.5 ohms
6.0 kw 240 25 amps 9.6 ohms
11.0 kw 240 46 amps 4.8 ohms

using formula
watts divided by voltage equals amps

 

 

 

 

  
 

 

  

 

 

  
 

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